- 18 4月, 2008 12 次提交
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由 Philippe De Muyter 提交于
The following patch limits the node speed to the host interface speed, before using it. Signed-off-by: NPhilippe De Muyter <phdm@macqel.be> It should actually suffice to do this only for the local node's speedcap[]. But there is another bug in the speed calculation: The local node's speed is not correctly propagated to the speeds which are to be used to access remote nodes. http://thread.gmane.org/gmane.linux.kernel.firewire.devel/11772/focus=12024Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de>
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由 Robert P. J. Day 提交于
Unless you're adding a kobject to the sysfs hierarchy, there is no point setting its kobject name. Signed-off-by: NRobert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de>
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由 Stefan Richter 提交于
The failure path of ohci1394_pci_probe() reuses ohci1394_pci_remove(). Doing so it missed to call ohci1394_pmac_off() in a few unlikely early error cases. Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de>
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由 Stefan Richter 提交于
to reduce the size of ohci1394.ko. Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de>
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由 Stefan Richter 提交于
We don't want to hide something like return in a preprocessor macro. Unroll the macro and use a goto, which also reduces the size of ohci1394.ko. Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de>
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由 Robert P. J. Day 提交于
Signed-off-by: NRobert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de>
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由 Harvey Harrison 提交于
__FUNCTION__ is gcc-specific, use __func__ Signed-off-by: NHarvey Harrison <harvey.harrison@gmail.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de>
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由 Stefan Richter 提交于
Clean up shared code and variable names. Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de>
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由 Stefan Richter 提交于
The platform feature calls in the suspend method switched off cable power, but the calls in the resume method did not switch it back on. Add the necessary feature call to .resume. Also add the corresponding call to .suspend to make .suspend's behavior explicitly the same on all PMacs. Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de>
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由 Stefan Richter 提交于
These drivers don't need to match any unit_directory type device. They just need the id_table for module autoloading per module alias. Not binding any of these drivers allows special-purpose drivers with similar or same IDs to bind to devices. This currently only benefits out-of-tree drivers; on the other hand it is in no way detrimental to in-tree drivers. Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de>
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由 Marcin Slusarz 提交于
replace all: big_endian_variable = cpu_to_beX(beX_to_cpu(big_endian_variable) + expression_in_cpu_byteorder); with: beX_add_cpu(&big_endian_variable, expression_in_cpu_byteorder); generated with semantic patch Signed-off-by: NMarcin Slusarz <marcin.slusarz@gmail.com> Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de>
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由 Stefan Richter 提交于
Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de>
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- 14 3月, 2008 1 次提交
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由 Stefan Richter 提交于
Fix I/O errors due to SYM13FW500's inability to handle larger request sizes. Reported by Piergiorgio Sartor <piergiorgio.sartor@nexgo.de> for firewire-sbp2 in https://bugzilla.redhat.com/show_bug.cgi?id=436879 This fix is necessary because sbp2's default request size limit has been lifted since 2.6.25-rc1. Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: NJarod Wilson <jwilson@redhat.com>
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- 20 2月, 2008 1 次提交
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由 Stefan Richter 提交于
rescan-scsi-bus used to add SBP-2 targets which weren't there. Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de>
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- 16 2月, 2008 1 次提交
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由 Stefan Richter 提交于
Add the same workaround as found in fw-sbp2 for feature parity and compatibility of the workarounds module parameter. Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: NJarod Wilson <jwilson@redhat.com>
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- 02 2月, 2008 1 次提交
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由 Stefan Richter 提交于
sg_dma_len(sg) is invalid before the s/g list is DMA-mapped. This fixes a post 2.6.24 regression which prevents access to SBP-2 devices on several architectures, introduced by "ieee1394: sbp2: s/g list access cosmetics", commit 825f1df5. Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de>
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- 31 1月, 2008 8 次提交
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由 Stefan Richter 提交于
Bug noted by Pieter Palmers: Isochronous transmit tasklets were scheduled on isochronous receive events, in addition to the proper isochronous receive tasklets. http://marc.info/?l=linux1394-devel&m=119783196222802Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de>
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由 Stefan Richter 提交于
This patch speeds up sbp2 a little bit --- but more importantly, it brings the behavior of sbp2 and fw-sbp2 closer to each other. Like fw-sbp2, sbp2 now does not limit the size of single transfers to 255 sectors anymore, unless told so by a blacklist flag or by module load parameters. Only very old bridge chips have been known to need the 255 sectors limit, and we have got one such chip in our hardwired blacklist. There certainly is a danger that more bridges need that limit; but I prefer to have this issue present in both fw-sbp2 and sbp2 rather than just one of them. An OXUF922 with 400GB 7200RPM disk on an S400 controller is sped up by this patch from 22.9 to 23.5 MB/s according to hdparm. The same effect could be achieved before by setting a higher max_sectors module parameter. On buses which use 1394b beta mode, sbp2 and fw-sbp2 will now achieve virtually the same bandwidth. Fw-sbp2 only remains faster on 1394a buses due to fw-core's gap count optimization. Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de>
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由 Stefan Richter 提交于
The code has been in "#if 0 - #endif" since Linux 2.6.12. Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de>
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由 Stefan Richter 提交于
Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de>
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由 Nick Piggin 提交于
Convert ieee1394 from nopage to fault. Remove redundant vma range checks (correct resource range check is retained). Signed-off-by: NNick Piggin <npiggin@suse.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de>
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由 Joe Perches 提交于
Signed-off-by: NJoe Perches <joe@perches.com> Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de>
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由 Stefan Richter 提交于
Replace sg->length by sg_dma_len(sg). Rename a variable for shorter line lengths and eliminate some superfluous local variables. Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de>
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由 Stefan Richter 提交于
Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de>
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- 30 1月, 2008 1 次提交
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由 Bernhard Kaindl 提交于
This patch adds a new configuration option, which adds support for a new early_param which gets checked in arch/x86/kernel/setup_{32,64}.c:setup_arch() to decide wether OHCI-1394 FireWire controllers should be initialized and enabled for physical DMA access to allow remote debugging of early problems like issues ACPI or other subsystems which are executed very early. If the config option is not enabled, no code is changed, and if the boot paramenter is not given, no new code is executed, and independent of that, all new code is freed after boot, so the config option can be even enabled in standard, non-debug kernels. With specialized tools, it is then possible to get debugging information from machines which have no serial ports (notebooks) such as the printk buffer contents, or any data which can be referenced from global pointers, if it is stored below the 4GB limit and even memory dumps of of the physical RAM region below the 4GB limit can be taken without any cooperation from the CPU of the host, so the machine can be crashed early, it does not matter. In the extreme, even kernel debuggers can be accessed in this way. I wrote a small kgdb module and an accompanying gdb stub for FireWire which allows to gdb to talk to kgdb using remote remory reads and writes over FireWire. An version of the gdb stub fore FireWire is able to read all global data from a system which is running a a normal kernel without any kernel debugger, without any interruption or support of the system's CPU. That way, e.g. the task struct and so on can be read and even manipulated when the physical DMA access is granted. A HOWTO is included in this patch, in Documentation/debugging-via-ohci1394.txt and I've put a copy online at ftp://ftp.suse.de/private/bk/firewire/docs/debugging-via-ohci1394.txt It also has links to all the tools which are available to make use of it another copy of it is online at: ftp://ftp.suse.de/private/bk/firewire/kernel/ohci1394_dma_early-v2.diffSigned-Off-By: NBernhard Kaindl <bk@suse.de> Tested-By: NThomas Renninger <trenn@suse.de> Signed-off-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
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- 25 1月, 2008 1 次提交
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由 Dave Young 提交于
Convert to use the class iteration api. Signed-off-by: NDave Young <hidave.darkstar@gmail.com> Cc: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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- 12 1月, 2008 1 次提交
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由 James Bottomley 提交于
This patch relaxes the default SCSI DMA alignment from 512 bytes to 4 bytes. I remember from previous discussions that usb and firewire have sector size alignment requirements, so I upped their alignments in the respective slave allocs. The reason for doing this is so that we don't get such a huge amount of copy overhead in bio_copy_user() for udev. (basically all inquiries it issues can now be directly mapped). Acked-by: NAlan Stern <stern@rowland.harvard.edu> Signed-off-by: NJames Bottomley <James.Bottomley@HansenPartnership.com>
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- 04 11月, 2007 1 次提交
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由 Jens Axboe 提交于
Torsten Kaiser wrote: > Looking that calltrace upwards, it seems replacing the > memset(dma->sglist,...) with sg_init_table(...) would fix the BUG_ON() > as that inits the SG_MAGIC. Tested-by: NTorsten Kaiser <just.for.lkml@googlemail.com> Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de>
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- 02 11月, 2007 1 次提交
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由 Adrian Bunk 提交于
Not architecture specific code should not #include <asm/scatterlist.h>. This patch therefore either replaces them with #include <linux/scatterlist.h> or simply removes them if they were unused. Signed-off-by: NAdrian Bunk <bunk@kernel.org> Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
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- 01 11月, 2007 1 次提交
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由 Adrian Bunk 提交于
This patch removes dead code spotted by the Intel C Compiler. Signed-off-by: NAdrian Bunk <bunk@kernel.org> Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de>
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- 24 10月, 2007 2 次提交
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由 Jens Axboe 提交于
Most drivers need to set length and offset as well, so may as well fold those three lines into one. Add sg_assign_page() for those two locations that only needed to set the page, where the offset/length is set outside of the function context. Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
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由 Ralf Baechle 提交于
Commits 58b053e4 ("Update arch/ to use sg helpers") 45711f1a ("[SG] Update drivers to use sg helpers") fa05f128 ("Update net/ to use sg helpers") converted many files to use the scatter gather helpers without ensuring that the necessary headerfile <linux/scatterlist> is included. This happened to work for ia64, powerpc, sparc64 and x86 because they happened to drag in that file via their <asm/dma-mapping.h>. On most of the others this probably broke. Instead of increasing the header file spider web I choose to include <linux/scatterlist.h> directly into the affectes files. Signed-off-by: NRalf Baechle <ralf@linux-mips.org> Signed-off-by: NJens Axboe <jens.axboe@oracle.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 23 10月, 2007 1 次提交
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由 Jens Axboe 提交于
Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
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- 17 10月, 2007 7 次提交
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由 Matthias Kaehlcke 提交于
drivers/ieee1394/ieee1394_core.c: Define spinlock using DEFINE_SPINLOCK instead of assignment to SPIN_LOCK_UNLOCKED Signed-off-by: NMatthias Kaehlcke <matthias.kaehlcke@gmail.com> Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de>
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由 Stefan Richter 提交于
At least since nodemgr got rid of coarse global locking, accesses to struct csr1212_keyval's reference counter should be atomic and coupled with proper barriers. Also, calls to csr1212_keep_keyval(kv) should occur before kv is being used. (We probably should convert refcnt to struct kref, but how to keep csr1212_destroy_keyval's implementation non-recursively then?) Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de>
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由 Stefan Richter 提交于
csr1212_keep_keyval(kv) in nodemgr_process_root_directory was unbalanced if ne->vendor_name_kv already exists. This happens for example if eth1394 or raw1394 modify the local config ROM and it is parsed again. As a bonus, the attempt to add the vendor_name_kv sysfs attribute when it already exists is now fixed for good. Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de>
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由 Jean Delvare 提交于
* Delete optional and empty i2c client_register and client_unregister callbacks. * Use the proper i2c adapter ID. * Don't use a template to initialize the i2c_adapter structure, it's inefficient. * Update a misleading comment on why we use i2c_transfer rather than higher level i2c functions. Signed-off-by: NJean Delvare <khali@linux-fr.org> Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de>
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由 Satyam Sharma 提交于
The nodemgr host thread can exit on its own even when kthread_should_stop is not true, on receiving a signal (might never happen in practice, as it ignores signals). But considering kthread_stop() must not be mixed with kthreads that can exit on their own, I think changing the code like this is clearer. This change means the thread can cut its sleep short when receive a signal but looking at the code around, that sounds okay (and again, it might never actually recieve a signal in practice). Signed-off-by: NSatyam Sharma <satyam@infradead.org> Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de>
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由 Stefan Richter 提交于
sbp2_host_reset and sbp2_handle_status_write are not serialized against sbp2_alloc_device and sbp2_remove_device. Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de>
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由 Stefan Richter 提交于
Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de>
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